Questions

I. An ant has hydrocarbons on its surface cuticle to repel water and prevent desiccation. The ant feeds largely on honeydew secreted by aphids, which feed on a plant stem. With the aid of Figure 1.1, trace the source of the ant hydrocarbons from carbon dioxide.

2. A bee expends energy in flying from flower to flower collecting nectar. What, according to Figure 1.1 is the ultimate source of that energy?